Thanks Rata, that works perfectly. I looked at the FAQ, but the special variables confused me, so your explanation helped.

If some of the tasks have no specified priority, I get an "uninitialized" error, but it still works, assuming low priority if it's missing (that was after I switched $a and $b)

In reply to Re^2: Sorting an array of hashes by a value of hash by simonozzy
in thread Sorting an array of hashes by a value of hash by simonozzy

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